2000 jan Sonja writes toki pona. The archaic words become archaic about this time.
Elizar's lessons published in Spanish (this was very early because there are some archaic words.
2002 toki pona as a language is mostly worked out and in use on the mailing list and on livejournal, toki pona from 2002 looks much like 2010, except 2010 texts are longer and better written. The syntax and vocab is much the same though.
2003 last date that jan Sonja's lessons were online
Some time after, jan Pije published new better lessons
rowa.gisa.de publishes a latex formatted version of the lessons, which printed is about 190 pages. Includes lessons, dictionary and some sample texts, mostly taken from yahoo mailing list
The classic dictionary is published on tokipona.org about this time
~2009 The incomplete wiki and dictionary are published on tokipona.org, replacing the classic word list.
2010 I put together a toki pona corpus and re-publish some of it. something like 50,000 words all in toki pona. As soon as I get a grant from NIS, I'll copy edit it and format it for leisure reading on the kindle.